Method of pipe welding

Details Method of pipe welding Method of pipe welding

1999-07-23

2000-07-25

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219 61, 219137WM, B23K 909

Patent

active

060939060

ABSTRACT:
A method of welding the ends of two pipes at the open root between the spaced ends by an STT electric arc welder, which comprises: selecting a welding wire having 0.06-0.15% by weight carbon, 0.90-1.40% by weight manganese, and 0.45-0.75% by weight silicon, as well as phosphorous, copper, stainless steel alloys and sulfur; maintaining the sulfur at a given percentage level of the selected wire in the specific range of 0.015 to 0.035% by weight; and maintaining said phosphorous at a given percentage level of said selected wire in the specific range of less than about 0.015%.

REFERENCES:
patent: 5676857 (1997-10-01), Parker
patent: 5742029 (1998-04-01), Stava et al.
patent: 5945014 (1999-08-01), Crockett et al.
patent: 5961863 (1999-10-01), Stava

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